<p>Test for <a href="rdar://problem/5959165">rdar://problem/5959165</a>: Crash in a number of iExploder tests in WebCore::CachedImage::notifyObservers.</a>
<p>Passed if the browser didn't crash.</p>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<object style="-webkit-mask-image: url(url-not-found);">text
<object style="-webkit-mask-box-image: url(url-not-found); ">text</object></object>
<script>internals.updateLayoutAndRunPostLayoutTasks();</script>
